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Finding the Fourth Proportional to 70,346.88, 97,109.28 and 43,489.44

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Solution

The fourth proportional to 70,346.88, 97,109.28 and 43,489.44 is: 60,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,346.88 : 97,109.28 = 43,489.44 : x
  2. Step 2: Convert to fraction form
    70,346.88/97,109.28 = 43,489.44/x
  3. Step 3: Cross multiply
    70,346.88x = 97,109.28 × 43,489.44
  4. Step 4: Simplify right side
    70,346.88x = 4,223,228,206.00
  5. Step 5: Solve for x
    x = 4,223,228,206.00/70,346.88
  6. Step 6: Final answer
    x = 60,034.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.